======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'The Alan Parsons Project'
                                     'text_people'  'Alan Parsons/Eric Woolfson'
                                         'release'  'The Best of The Alan Parsons Project Vol. 2'
                                           'title'  "Lat's Talk About Me"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '142.910'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'The Best of The Alan Parsons Project Vol. 2'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCOM' (Composer)                                   'Alan Parsons/Eric Woolfson'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Lat's Talk About Me"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Alan Parsons Project'
'TPE2' (Band/orchestra/accompaniment)               'The Alan Parsons Project'
'TPUB' (Publisher)                                  'Arista'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.717311'

========================== row from database ==========================
                                              'id'  1514046
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/046-A Alan Parsons Project - Let_s Talk About Me (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  rock-cppex
                                        'filesize'  8769408
                                           'mtime'  1620736981
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 046 Let_s (single version) rock cppex
                                      'tag_artist'  The Alan Parsons Project
                                     'tag_release'  The Best of The Alan Parsons Project Vol. 2
                                       'tag_title'  Lat's Talk About Me
                                             'bpm'  142.91
                                    'search_title'  'about':5 'lat':1 'lats':3 'me':6 's':2 'talk':4
                                   'search_artist'  'alan':2 'parsons':3 'project':4 'the':1
                                  'search_release'  '2':9 'alan':4 'best':2 'of':3 'parsons':5 'project':6 'the':1 'vol':7,8
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'complete':3 'cppex':11 'let':4 'rock':10 's':5 'single':6,7 'version':8,9
                                    'search_combo'  '00poprockelectronic':20 '1985':21 '2':19C 'about':5A 'alan':8B,14C 'best':12C 'complete':22 'cppex':30 'lat':1A 'lats':3A 'let':23 'me':6A 'of':13C 'parsons':9B,15C 'project':10B,16C 'rock':29 's':2A,24 'single':25,26 'talk':4A 'the':7B,11C 'version':27,28 'vol':17C,18C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736981.163418  (2021-05-11 14:43:01)
                             'size'  8769408